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Gradient quantization is an emerging technique in reducing communication costs in distributed learning. Existing gradient quantization algorithms often rely on engineering heuristics or empirical observations, lacking a systematic approach…

机器学习 · 计算机科学 2021-08-02 Guangfeng Yan , Shao-Lun Huang , Tian Lan , Linqi Song

Decentralized Federated Graph Learning (DFGL) overcomes potential bottlenecks of the parameter server in FGL by establishing a peer-to-peer (P2P) communication network among workers. However, while extensive cross-worker communication of…

分布式、并行与集群计算 · 计算机科学 2025-09-11 Shilong Wang , Jianchun Liu , Hongli Xu , Chenxia Tang , Qianpiao Ma , Liusheng Huang

Large-scale distributed training of deep acoustic models plays an important role in today's high-performance automatic speech recognition (ASR). In this paper we investigate a variety of asynchronous decentralized distributed training…

计算与语言 · 计算机科学 2021-10-22 Xiaodong Cui , Wei Zhang , Abdullah Kayi , Mingrui Liu , Ulrich Finkler , Brian Kingsbury , George Saon , David Kung

Distributed stochastic gradient descent (SGD) is essential for scaling the machine learning algorithms to a large number of computing nodes. However, the infrastructures variability such as high communication delay or random node slowdown…

机器学习 · 计算机科学 2020-02-25 Jianyu Wang , Hao Liang , Gauri Joshi

We propose LQ-SGD (Low-Rank Quantized Stochastic Gradient Descent), an efficient communication gradient compression algorithm designed for distributed training. LQ-SGD further develops on the basis of PowerSGD by incorporating the low-rank…

机器学习 · 计算机科学 2025-06-24 Hongyang Li , Lincen Bai , Caesar Wu , Mohammed Chadli , Said Mammar , Pascal Bouvry

Following AI scaling trends, frontier models continue to grow in size and continue to be trained on larger datasets. Training these models requires huge investments in exascale computational resources, which has in turn driven developtment…

The Convolutional Neural Network (CNN) model, often used for image classification, requires significant training time to obtain high accuracy. To this end, distributed training is performed with the parameter server (PS) architecture using…

分布式、并行与集群计算 · 计算机科学 2019-01-18 Jay H. Park , Sunghwan Kim , Jinwon Lee , Myeongjae Jeon , Sam H. Noh

Distributed learning, particularly variants of distributed stochastic gradient descent (DSGD), are widely employed to speed up training by leveraging computational resources of several workers. However, in practise, communication delay…

机器学习 · 计算机科学 2020-11-13 Kerem Ozfatura , Emre Ozfatura , Deniz Gunduz

Deep convolution neural network has achieved great success in many artificial intelligence applications. However, its enormous model size and massive computation cost have become the main obstacle for deployment of such powerful algorithm…

计算机视觉与模式识别 · 计算机科学 2018-07-23 Zhezhi He , Boqing Gong , Deliang Fan

Several distributed frameworks have been developed to scale Graph Neural Networks (GNNs) on billion-size graphs. On several benchmarks, we observe that the graph partitions generated by these frameworks have heterogeneous data distributions…

机器学习 · 计算机科学 2023-11-07 Dhruv Deshmukh , Gagan Raj Gupta , Manisha Chawla , Vishwesh Jatala , Anirban Haldar

A recent line of research has shown that gradient-based algorithms with random initialization can converge to the global minima of the training loss for over-parameterized (i.e., sufficiently wide) deep neural networks. However, the…

机器学习 · 计算机科学 2019-06-12 Difan Zou , Quanquan Gu

Graph Neural Networks (GNNs) are powerful and flexible neural networks that use the naturally sparse connectivity information of the data. GNNs represent this connectivity as sparse matrices, which have lower arithmetic intensity and thus…

机器学习 · 计算机科学 2020-09-04 Alok Tripathy , Katherine Yelick , Aydin Buluc

Neural networks have been able to achieve groundbreaking accuracy at tasks conventionally considered only doable by humans. Using stochastic gradient descent, optimization in many dimensions is made possible, albeit at a relatively high…

机器学习 · 计算机科学 2017-07-17 Hirsh R. Agarwal , Andrew Huang

Training neural networks is a challenging non-convex optimization problem, and backpropagation or gradient descent can get stuck in spurious local optima. We propose a novel algorithm based on tensor decomposition for guaranteed training of…

机器学习 · 计算机科学 2016-01-13 Majid Janzamin , Hanie Sedghi , Anima Anandkumar

We present ErasureHead, a new approach for distributed gradient descent (GD) that mitigates system delays by employing approximate gradient coding. Gradient coded distributed GD uses redundancy to exactly recover the gradient at each…

机器学习 · 计算机科学 2019-01-29 Hongyi Wang , Zachary Charles , Dimitris Papailiopoulos

Nowadays, large and complex deep learning (DL) models are increasingly trained in a distributed manner across multiple worker machines, in which extensive communications between workers pose serious scaling problems. In this article, we…

分布式、并行与集群计算 · 计算机科学 2020-11-10 Shaohuai Shi , Zhenheng Tang , Xiaowen Chu , Chengjian Liu , Wei Wang , Bo Li

Generative recommendation (GR) has emerged as a promising paradigm that replaces fragmented, scenario-specific architectures with unified Transformer-based models, exhibiting scaling-law behavior where recommendation quality improves…

分布式、并行与集群计算 · 计算机科学 2026-05-14 Huichao Chai , Zhixin Wu , Xuemiao Li , Shiqing Fan , Hengfeng Wang , Maojun Peng , Lu Xu , Yaoyuan Wang , Yibo Jin , Wei Guo , Yongxiang Feng

With the rapid increase of big data, distributed Machine Learning (ML) has been widely applied in training large-scale models. Stochastic Gradient Descent (SGD) is arguably the workhorse algorithm of ML. Distributed ML models trained by SGD…

机器学习 · 计算机科学 2021-12-09 Keyu Yang , Lu Chen , Zhihao Zeng , Yunjun Gao

We address the issue of speeding up the training of convolutional neural networks by studying a distributed method adapted to stochastic gradient descent. Our parallel optimization setup uses several threads, each applying individual…

机器学习 · 计算机科学 2018-11-13 Michael Blot , David Picard , Matthieu Cord

Recent studies highlight the promise of LLM-based prompt optimization, especially with TextGrad, which automates differentiation'' via texts and backpropagates textual feedback. This approach facilitates training in various real-world…

机器学习 · 计算机科学 2025-02-28 Minghui Chen , Ruinan Jin , Wenlong Deng , Yuanyuan Chen , Zhi Huang , Han Yu , Xiaoxiao Li